Indian police and investigators are pictured at the site of a bomb blast at Dilshuk Nagar in Hyderabad on February 21, 2013. At least 18 people were killed and 52 wounded when bombs ripped through crowded areas of the Indian city of Hyderabad on Thursday in what the prime minister called a 'dastardly act'.

Indian Union Home Minister Sushil kumar Shinde talks to the media after visiting the site of bomb blasts in Hyderabad, India, Friday, Feb. 22, 2013. A day after two bicycle bombs killed more than a dozen people and wounded more than 100, investigators into India's worst bombing in more than a year searched Friday for possible links to anger over the execution of a Muslim militant.

Indian police search for clues at one of the blast sites at Dilsukh Nagar in Hyderabad on February 22, 2013 the morning after twin bomb attacks killed 14 people and wounded dozens more. The bombings, the first to hit India since 2011, hit a mainly Hindu district in Hyderabad, a hub of India's computing industry which hosts local offices of Google and Microsoft among others and which has a large Muslim population.

Food lies scattered amid debris inside an eatery, at one of the two bomb blast sites, in Hyderabad, India, Friday, Feb. 22, 2013. A day after two bicycle bombs killed more than a dozen people and wounded more than 100, investigators into India's worst bombing in more than a year searched Friday for possible links to anger over the execution of a Muslim militant.

Indian members of the National Investigation Agency inspect one of the blast sites at Dilsukh Nagar district in Hyderabad on February 22, 2013. Indian police revealed they had been warned of a possible attack by Islamist militants in a bustling shopping area of Hyderabad where twin bombings killed at least 14 people and wounded scores. The near-simultaneous attacks on Thursday night outside a cinema and a bus stand in the Dilsukh Nagar district were the first deadly bombings in the country since 2011 and triggered condemnation from Indian and world leaders.

Investigating officers use a sniffer dog as they inspect the site of an explosion at Dilsukh Nagar, in the southern Indian city of Hyderabad February 21, 2013. Two bombs placed on bicycles exploded in a crowded market-place in Hyderabad on Thursday, and the federal home minister said at least 11 people were killed and 50 wounded.

A policeman looks for clues next to a blood stained newspaper at one of the blast sites at Dilsukh Nagar in Hyderabad on February 22, 2013 the morning after twin bomb attacks killed 14 people and wounded dozens more. The bombings, the first to hit India since 2011, hit a mainly Hindu district in Hyderabad, a hub of India's computing industry which hosts local offices of Google and Microsoft among others and which has a large Muslim population.

Indian police search for clues at one of the blast sites at Dilsukh Nagar in Hyderabad on February 22, 2013 the morning after twin bomb attacks killed 14 people and wounded dozens more. The bombings, the first to hit India since 2011, hit a mainly Hindu district in Hyderabad, a hub of India's computing industry which hosts local offices of Google and Microsoft among others and which has a large Muslim population.

An official of India's National Investigation Agency looks for evidence in a damaged building, at one of the two bomb blast sites, in Hyderabad, India, Friday, Feb. 22, 2013. A day after two bicycle bombs killed more than a dozen people and wounded more than 100, investigators into India's worst bombing in more than a year searched Friday for possible links to anger over the execution of a Muslim militant.

An Indian policeman uses a magnet to collect metal from one of the blast sites at Dilsukh Nagar district in Hyderabad on February 22, 2013. Indian police revealed they had been warned of a possible attack by Islamist militants in a bustling shopping area of Hyderabad where twin bombings killed at least 14 people and wounded scores. The near-simultaneous attacks on Thursday night outside a cinema and a bus stand in the Dilsukh Nagar district were the first deadly bombings in the country since 2011 and triggered condemnation from Indian and world leaders.

Indian security officials inspect one of the blast sites at Dilsukh Nagar district in Hyderabad on February 22, 2013. Indian police revealed they had been warned of a possible attack by Islamist militants in a bustling shopping area of Hyderabad where twin bombings killed at least 14 people and wounded scores. The near-simultaneous attacks on Thursday night outside a cinema and a bus stand in the Dilsukh Nagar district were the first deadly bombings in the country since 2011 and triggered condemnation from Indian and world leaders.

A man holds an injured person, center, as he sits near the source of a bomb blast in Hyderabad, India, Thursday, Feb. 21, 2013. A pair of bombs exploded Thursday evening in a crowded shopping area in the southern Indian city of Hyderabad, killing several people and wounding many in the worst bombing in the country in more than a year, officials said.

Indian authorities and onlookers are pictured at the site of a bomb blast at Dilshuk Nagar in Hyderabad on February 21, 2013. At least 18 people were killed and 52 wounded when bombs ripped through crowded areas of the Indian city of Hyderabad on Thursday in what the prime minister called a 'dastardly act'.

Indian nurses in a bus look on at one of the blast sites at Dilsukh Nagar district in Hyderabad on February 22, 2013. Indian police revealed they had been warned of a possible attack by Islamist militants in a bustling shopping area of Hyderabad where twin bombings killed at least 14 people and wounded scores. The near-simultaneous attacks on Thursday night outside a cinema and a bus stand in the Dilsukh Nagar district were the first deadly bombings in the country since 2011 and triggered condemnation from Indian and world leaders.

Indian forensics officials are pictured at the site of a bomb blast at Dilshuk Nagar in Hyderabad on February 21, 2013. At least 18 people were killed and 52 wounded when bombs ripped through crowded areas of the Indian city of Hyderabad on Thursday in what the prime minister called a 'dastardly act'.

Police officers examine the site of an explosion at Dilsukh Nagar, in the southern Indian city of Hyderabad February 21, 2013. Two bombs placed on bicycles exploded in a crowded market-place in Hyderabad on Thursday, and the federal home minister said at least 11 people were killed and 50 wounded.

The scene of a blast at Dilsukhnagar in Hyderabad, India, Thursday, Feb.21, 2013. At least five people were killed Thursday in a pair of explosions in crowded areas of the southern Indian city of Hyderabad, police said. More were feared dead and injured.

WARNING: Few of the following images are graphic and reader discretion is advised.

Indian police officers keep vigil on a road after security was enhanced in Mumbai, India, following twin explosions in southern Indian city of Hyderabad, Thursday, Feb. 21, 2013. A pair of bombs exploded Thursday evening in a crowded shopping area in the southern Indian city of Hyderabad, killing several people and wounding many in the worst bombing in the country in more than a year, officials said.

A relative reacts at the Omini hospital Kothapet following bomb blasts in Hyderabad on February 21, 2013. At least 12 people were killed and 52 injured when three bombs shook the southern Indian city of Hyderabad late on Thursday, police said.

Relatives gather at the reception desk enquiring onthe injured at the Omini hospital Kothapet following bomb blasts in Hyderabad on February 21, 2013. At least 12 people were killed and 52 injured when three bombs shook the southern Indian city of Hyderabad late on Thursday, police said.

An armed Indian police man keeps vigil on road after security was enhanced in Mumbai, India, following twin explosions in southern Indian city of Hyderabad, Thursday, Feb. 21, 2013. A pair of bombs exploded Thursday evening in a crowded shopping area in the southern Indian city of Hyderabad, killing several people and wounding many in the worst bombing in the country in more than a year, officials said.

Fire fighters extinguish a fire at the site of an explosion in the southern Indian city of Hyderabad February 21, 2013. Two bombs placed on bicycles exploded in a crowded market-place in Hyderabad on Thursday, and the federal home minister said at least 11 people were killed and 50 wounded.

Indian authorities and onlookers are pictured at the site of a bomb blast at Dilshuk Nagar in Hyderabad on February 21, 2013. At least 18 people were killed and 52 wounded when bombs ripped through crowded areas of the Indian city of Hyderabad on Thursday in what the prime minister called a 'dastardly act'.

Damaged two wheelers lie near the site of a bomb blast in Hyderabad, India, Thursday, Feb. 21, 2013. A pair of bombs exploded Thursday evening in a crowded shopping area in the southern Indian city of Hyderabad, killing several people and wounding many in the worst bombing in the country in more than a year, officials said.

Indian medical staff treat the injured at the Omini hospital Kothapet in Hyderabad on February 21, 2013. At least 15 people were killed and 52 injured when three bombs in crowded areas shook the southern Indian city of Hyderabad late on Thursday, police said.

People and police officers stand at the spot after a bomb blast in Hyderabad, India, Thursday, Feb. 21, 2013. A pair of bombs exploded Thursday evening in a crowded shopping area in the southern Indian city of Hyderabad, killing several people and wounding many in the worst bombing in the country in more than a year, officials said.

Police examine the site of an explosion at Dilsukh Nagar in the southern Indian city of Hyderabad February 21, 2013. Two bombs placed on bicycles exploded in a crowded market-place in Hyderabad on Thursday, and the federal home minister said at least 11 people were killed and 50 wounded.

A member of the bomb squad with a sniffer dog arrives at the spot after a bomb blast in Hyderabad, India, Thursday, Feb. 21, 2013. A pair of bombs exploded Thursday evening in a crowded shopping area in the southern Indian city of Hyderabad, killing several people and wounding many in the worst bombing in the country in more than a year, officials said.

Indian medical staff treat the injured at the Omini hospital Kothapet in Hyderabad on February 21, 2013. At least 12 people were killed and 52 injured when three bombs shook the southern Indian city of Hyderabad late on Thursday, police said.

Indian medical staff treat the injured at the Omini hospital Kothapet in Hyderabad on February 21, 2013. At least 12 people were killed and 52 injured when three bombs shook the southern Indian city of Hyderabad late on Thursday, police said.

Indian medical staff treat the injured at the Omini hospital Kothapet in Hyderabad on February 21, 2013. At least 15 people were killed and 52 injured when three bombs in crowded areas shook the southern Indian city of Hyderabad late on Thursday, police said.

An injured person receives treatment at the Omini hospital Kothapet in Hyderabad on February 21, 2013. At least 15 people were killed and 52 injured when three bombs in crowded areas shook the southern Indian city of Hyderabad late on Thursday, police said.

Indian medical staff treat the injured at the Omini hospital Kothapet in Hyderabad on February 21, 2013. At least 12 people were killed and 52 injured when three bombs shook the southern Indian city of Hyderabad late on Thursday, police said.

Indian medical staff treat the injured at the Omini hospital Kothapet in Hyderabad on February 21, 2013. At least 12 people were killed and 52 injured when three bombs shook the southern Indian city of Hyderabad late on Thursday, police said.

Indian medical staff treat the injured at the Omini hospital Kothapet in Hyderabad on February 21, 2013. At least 12 people were killed and 52 injured when three bombs shook the southern Indian city of Hyderabad late on Thursday, police said.

A relative reacts at the Omini hospital Kothapet following bomb blasts in Hyderabad on February 21, 2013. At least 12 people were killed and 52 injured when three bombs shook the southern Indian city of Hyderabad late on Thursday, police said.

Hyderabad Serial Blasts

Indian police and investigators are pictured at the site of a bomb blast at Dilshuk Nagar in Hyderabad on February 21, 2013. At least 18 people were killed and 52 wounded when bombs ripped through crowded areas of the Indian city of Hyderabad on Thursday in what the prime minister called a 'dastardly act'.